EarthTronics 4U65SW1B 65-Watt 2700K Compact Florescent Light Bulb, Soft White Save money and the earth-this bulb only uses 65-Watts of power and outputs the equivalent light of a 200-Watts incandescent bulb Use for most general lighting applications 8000 hour average rated life means you'll almost never have to change bulbs Utilizes an advanced electronic ballast so the bulb reaches full brightness quickly 7 year limited warranty based on normal residential usage (3 hours average usage per day/7 days per week)